Blade comprising a composite material structure and associated manufacturing process

Abstract

The present invention relates to a blade comprising a blade (7) with an aerodynamic profile comprising a first skin (21) and a second skin (21) facing each other, the skins (21) each having an inner face (22) defining a cavity (23) between them and being made of a composite material comprising a fibrous reinforcement (20) obtained by three-dimensional weaving and a matrix comprising a plastic material in which the fibrous reinforcement (20) is embedded. The blade also comprises a set of stiffeners (30) monolithic with the skins (21) and extending through the cavity (23) by being fixed to the inner face (22) of the first skin (21) and the second skin (21) so as to connect them. Figure for the abstract: Fig. 3a

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